* {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}
html,
body {
  width: 100%;
  overflow-x: hidden;
}
html #header,
body #header {
  padding: 10px 10%;
}
html #header a,
body #header a {
  text-decoration: none;
  color: black;
}
.btn {
  display: none;
  float: right;
  margin-top: 25px;
  border: 0;
  border-radius: 5px;
  width: 40px;
  height: 40px;
}
#header .logo img {
  width: 180px;
}
#header div.nav {
  margin: 0 auto;
  width: 80%;
  height: 50px;
}
#header ul.nav-bar {
  list-style: none;
  float: right;
  line-height: 40px;
  margin-top: 30px;
  text-align: center;
}
#header ul.nav-bar li {
  margin-left: 5px;
  width: 80px;
}
#header ul.nav-bar li :hover {
  border-bottom: 0;
}
#header ul.nav-bar :hover {
  border-bottom: 1px solid #208cb0;
  cursor: pointer;
}
#header ul.nav-bar li {
  float: left;
  padding: 0 10px;
}
.banner {
  margin-top: 40px;
  width: 100%;
  height: 300px;
  background-image: url('../images/about.jpg');
  background-size: 100% 300px;
  overflow: hidden;
}
.banner .container {
  width: 200px;
  height: 100px;
  margin-top: 5%;
  margin-left: 18%;
  color: white;
  text-align: center;
  line-height: 3em;
}
.banner .container p {
  font-size: 2em;
}
.banner .container span {
  font-size: 1.5em;
}
.banner img {
  width: 100%;
  height: 300px;
}
.content {
  display: -webkit-flex;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 65%;
  margin: 2% auto;
}
.content .content-nav {
  width: 25%;
}
.content .content-nav .list_dl {
  background-color: #fafafa;
  width: 100%;
  border-bottom: 3px solid #208cb0;
}
.content .content-nav .list_dl .list_title {
  width: 100%;
  background-color: #208cb0;
  text-align: center;
  line-height: 3em;
  color: white;
  font-size: 1.7em;
}
.content .content-nav .list_dl .list_title span {
  font-weight: bold;
}
.content .content-nav .list_dl .list_dt {
  color: #333;
  width: 100%;
  height: 2em;
  line-height: 2em;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  position: relative;
  border-bottom: 1px solid #e9e9e9;
  font-size: 1.2em;
  margin-bottom: 1px;
}
.content .content-nav .list_dl .list_dt p {
  padding-left: 20px;
}
.content .content-nav .list_dl .list_c {
  padding: 30px 10px;
}
.content .content-nav .list_dl .active {
  background-color: #208cb0;
  border: 0;
  color: white;
}
.content .content-nav .list_dl .list_dt:hover {
  background: #107293;
  color: white;
}
.content .content-nav .list_dl .list_dt:hover ._after {
  display: block;
  width: 3px;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: #4285F4;
}
.content .content-article {
  width: 72%;
}
.content .content-article .article-title {
  font-size: 1.5em;
  line-height: 2em;
}
.content .content-article .article-title span {
  font-weight: bold;
  padding-bottom: 0.3em;
  border-bottom: 2px solid #208cb0;
}
.content .content-article .container {
  width: 100%;
  margin-top: 20px;
}
.content .content-article .container .list {
  width: 100%;
  display: flex;
  flex-direction: row;
  padding-bottom: 15px;
  border-bottom: 1px solid #e9e9e9;
  margin-bottom: 15px;
}
.content .content-article .container .list img {
  width: 200px;
  height: 150px;
}
.content .content-article .container .list .content {
  display: flex;
  flex-direction: column;
  width: 650px;
}
.content .content-article .container .list .content .title {
  font-size: 1.5em;
}
.content .content-article .container .list .content .status {
  font-size: 0.8em;
  text-align: end;
  color: #595757;
}
.footer {
  width: 100%;
  background-color: #f2f2f2;
  color: #595757;
  display: flex;
  font-size: 0.9em;
  justify-content: center;
}
.footer .footer-logo {
  margin-top: 10px;
  margin-right: 2%;
}
.footer .footer-logo img {
  width: 250px;
}
.footer .footer-content {
  display: flex;
  flex-direction: column;
  margin-right: 2%;
}
.footer .footer-content .footer-copyright {
  margin-top: 30px;
}
.footer .footer-content div {
  margin-top: 10px;
}
.footer .footer-qr {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  height: 140px;
  margin-right: 2%;
}
.footer .footer-qr .qr {
  display: flex;
  flex-direction: column;
}
.footer .footer-qr .qr img {
  margin: 0 auto;
  width: 100px;
}
.footer .footer-qr .qr p {
  margin-top: 10px;
  margin-bottom: 10px;
}
@media screen and (max-width: 1600px) {
  #header {
    margin-bottom: -2%;
  }
  #header div.nav {
    width: 90%;
  }
  html #header,
  body #header {
    padding: 10px 2%;
    height: 80px;
    overflow: hidden;
  }
  html #header .nav,
  body #header .nav {
    margin-top: -8.5px;
  }
  html #header .nav .nav-bar,
  body #header .nav .nav-bar {
    margin-top: 15px;
    border-top: solid 1px #111;
    width: 100%;
    line-height: 70px;
  }
  html #header .nav .nav-bar :hover,
  body #header .nav .nav-bar :hover {
    border: 0;
  }
  html #header .nav .nav-bar li,
  body #header .nav .nav-bar li {
    float: none;
    padding: 0 10px;
  }
  .btn {
    display: block;
  }
  .banner .container {
    width: 200px;
    height: 100px;
    margin-top: 7%;
    margin-left: 8%;
    color: white;
    text-align: center;
    line-height: 3em;
  }
  .banner .container p {
    font-size: 2em;
  }
  .banner .container span {
    font-size: 1.5em;
  }
  .content .content-article span {
    font-size: 0.9em;
  }
}
@media screen and (max-width: 1440px) {
  .content {
    display: flex;
    flex-direction: column;
  }
  .content .content-nav {
    margin: 0 auto;
    width: 300px;
  }
  .content .content-article {
    margin: 0 auto;
    width: 90%;
  }
  .content .content-article .container .list img {
    width: 150px;
    height: 120px;
  }
}
@media screen and (max-width: 1080px) {
  #header {
    margin-bottom: -5%;
  }
  .banner {
    background-size: 100% 250px;
    height: 250px;
  }
  .banner .container {
    width: 200px;
    height: 100px;
    margin-top: 7%;
    margin-left: 7%;
    color: white;
    text-align: center;
    line-height: 2.5em;
  }
  .banner .container p {
    font-size: 1.8em;
  }
  .banner .container span {
    font-size: 1.3em;
  }
  .content .content-article .article-title {
    display: flex;
    justify-content: center;
    margin-top: 20px;
  }
  .content .content-article .container .list img {
    width: 120px;
    height: 100px;
  }
  .content .content-article .container .list .content {
    width: 380px;
  }
  .footer {
    display: flex;
    flex-direction: column;
  }
  .footer .footer-logo {
    display: flex;
    justify-content: center;
  }
  .footer .footer-logo img {
    width: 200px;
    height: 140px;
  }
  .footer .footer-content div {
    display: flex;
    justify-content: center;
  }
}
@media screen and (max-width: 768px) {
  #header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0;
  }
  #header .nav {
    width: 100%;
  }
  .banner {
    margin-top: 0px;
    background-size: 100% 130px;
    height: 130px;
  }
  .banner .container {
    width: 200px;
    height: 80px;
    margin-top: 6%;
    margin-left: 5%;
    color: white;
    text-align: center;
    line-height: 2em;
  }
  .banner .container p {
    font-size: 1.5em;
  }
  .banner .container span {
    font-size: 1.2em;
  }
  .content {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .content .content-article .container .list img {
    width: 100px;
    height: 80px;
  }
  .content .content-article .container .list .content {
    width: 80%;
    line-height: 2em;
  }
  .footer .footer-content {
    margin-top: -30px;
  }
  .footer .footer-content .footer-copyright {
    display: flex;
    flex-direction: column;
  }
  .footer .footer-content .footer-copyright span {
    display: flex;
    justify-content: center;
    margin-top: 0px;
  }
  .footer .footer-content .footer-touch {
    display: flex;
    flex-direction: column;
  }
  .footer .footer-content .footer-touch span {
    display: flex;
    justify-content: center;
    margin-top: 0px;
  }
  .footer .footer-content .footer-co {
    display: flex;
    flex-direction: column;
  }
  .footer .footer-content .footer-co span {
    display: flex;
    justify-content: center;
    margin-top: 0px;
  }
}
